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DR. SERGIO ZENDEJAS M.D.
NPI 1043367188
Anesthesiology in Worcester, MA

Active since January 04, 2007PECOS EnrolledAccepts Medicare Assignment
281 LINCOLN ST, MEDICAL STAFF SVCS, WORCESTER, MA 01605(508) 334-8015(508) 334-8235 Get Directions Write a Review

NPPES record last updated: December 22, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Sergio Zendejas M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. SERGIO ZENDEJAS M.D. (NPI 1043367188) is an individual anesthesiology provider in Worcester, Massachusetts, licensed in Massachusetts (222138) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS and is a graduate of University Of California, Geffen School Of Medicine (2003).

NPPES Registry Identity

NPI1043367188
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. SERGIO ZENDEJASCredential: M.D.
Location Address281 LINCOLN ST, MEDICAL STAFF SVCSWorcester, MA 01605-2138
Mailing Address281 Lincoln St, Medical Staff SvcsWorcester, MA 01605-2138 · (508) 334-8015 · Fax (508) 334-8235
Phone(508) 334-8015
Fax(508) 334-8235
Sole ProprietorNo
Medical School CMSUniversity Of California, Geffen School Of MedicineGraduated 2003
Enumeration DateJanuary 4, 2007
Last NPPES UpdateDecember 22, 2021
✔ NPI 1043367188 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in MA · 222138
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
281 LINCOLN ST, Worcester, MA 01605
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Sergio Zendejas M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8022190743
PECOS Enrollment IDI20080201000498
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Sergio Zendejas reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Permanente Medical Group Inc
2,601 mi
Internal Medicine
7373 WEST LANE
Stockton, CA 95210
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
NPI 1548343510 (209) 476-2000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

STACY AILEEN MEULENAERE OTR/L
Occupational Therapist
281 LINCOLN ST
WORCESTER, MA 01605
Worcester County (508) 334-1000
RACHEL NOONE PA-C
Physician Assistant
281 LINCOLN ST
WORCESTER, MA 01605
Worcester County (508) 334-6158
DR. THOMAS EVANS M.D.
Emergency Medicine
281 LINCOLN ST, MED STAFF SVCS
WORCESTER, MA 01605
Worcester County (508) 334-8015
RAJIV BALASURIYA M.D.
Family Medicine
281 LINCOLN ST, MEDICAL STAFF SVCS
WORCESTER, MA 01605
Worcester County (508) 334-8015
DR. DANIEL LEE M.D., PHD
Internal Medicine (Medical Oncology)
281 LINCOLN ST, MEDICAL STAFF SVCS
WORCESTER, MA 01605
Worcester County (508) 334-1131
MEGAN ELIZABETH KLEIN MS, CCC-SLP
Speech-Language Pathologist
281 LINCOLN ST
WORCESTER, MA 01605
Worcester County (508) 334-1000
ANKUR SHAH NARAIN MD
Orthopaedic Surgery
281 LINCOLN ST
WORCESTER, MA 01605
Worcester County (508) 334-1955
THOMAS MICHAEL CERVANTES
Plastic Surgery (Surgery of the Hand)
281 LINCOLN ST
WORCESTER, MA 01605
Worcester County (508) 334-1000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Sergio Zendejas's NPI number?

The NPI number for Sergio Zendejas is 1043367188. It was assigned to this individual provider in the NPPES registry on January 4, 2007.

Where is Sergio Zendejas located?

Sergio Zendejas practices at 281 Lincoln St Medical Staff Svcs, Worcester, MA 01605. The listed phone number is (508) 334-8015.

What is Sergio Zendejas's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Sergio Zendejas enrolled in Medicare?

Yes. Sergio Zendejas is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Sergio Zendejas's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sergio Zendejas reassigns Medicare benefits to Permanente Medical Group Inc (Stockton, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Sergio Zendejas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Sergio Zendejas was last updated on December 22, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.